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MARS HYDRO TS1000 with 3x3ft Coverage
Hands-free monitoring and dosing of solution pH levels
Nordic Pure 16x20x5 Honeywell Replacement MERV 14 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”
Strong marine-grade stitching and quad-stitch seam
20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 10 Pleated Plus Carbon 4 Pack water-filtration MARS HYDRO TS1000 with 3x3ftImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. We also carry 4 7 8 and 5 1 4 inch depth filters,
